TM 9-4120-402-14
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS)
Quarterly Schedule - continued
Item
Item to be
Procedures
Paragraph
Number
Inspected/Serviced
Reference
12
Fresh Air Damper
a.
Wipe or vacuum all dust or dirt from the fresh air damper
door and its operating mechanism, and all other surfaces
in the area.
b.
Inspect components for condition, and all mounting
hardware for tightness and security
c.
Check operation of door (24) and mechanism for
stiffness and binding; lubricate as necessary. Be
sure to wipe off all excess lubricant.
d.
Check to be sure the damper door (24) seats properly to
form a seal when in the closed position.
13
Control Panel
a.
Check operation of controls or stiffness or binding.
f
b.
Inspect wiring harness for damage or chafing, and all
electrical connections for tightness.
c.
Check all mounting hardware for tightness and security.
4-30
TM 9-4120-402-14